CYNSE10512 Datasheet, PDF (86/153 Pages) Cypress Semiconductor – Ayama™ 10000 Network Search Engine

CONFIDENTIAL
PRELIMINARY
CYNSE10512
CYNSE10256
CYNSE10128
CLK2X
cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
PHS_L
CMDV
CMD[1:0]
CMD[2]
CMD[10:3]
Search1
10
Logic 1
for 3 A-cycles
Search2
10
Logic 0 on
the 4th A-cycle
Search3
10
CMPR[2] on B-cycles
A B A B A B A B A B A B A BA B AB A B A BA B
DQ _{A1 A2 A3A4 A5A6A7A8B1 B2 B3B4 B5 B6B7B8C1C2C3C4 C5C6C7C8}
|(LHI[6:0]) ₀
LHO[1:0] ₀
1
0
SADR[M:0] z
Addr
z
A
CE_L ^z
0
z
ALE_L ^z
0
z
WE_L ^z
1
z
OE_L ^z
SSV ^z
SSF z
1
z
1
z
Search1
(This
device is
the global
winner)
Search2
(Miss on
this device)
Search3
(Miss on
this device)
M = 25 for CYNSE10512, 24 for CYNSE10256, 23 for CYNSE10128
HLAT = 000 (binary), TLSZ = 01 (binary), LRAM = 0 (binary), LDEV = 0 (binary).
Note: |(LHI[6:0]) stands for the boolean ‘OR’ of the entire bus LHI[6:0].
Note: Each bit in LHO[1:0] is the same logical signal.
Figure 6-31. Timing Diagram for 576-bit Single Search Device Number 0
Document #: 38-02069 Rev. *F
Page 86 of 153
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